Index: /issm/trunk-jpl/src/m/plot/applyoptions.js
===================================================================
--- /issm/trunk-jpl/src/m/plot/applyoptions.js	(revision 19797)
+++ /issm/trunk-jpl/src/m/plot/applyoptions.js	(revision 19798)
@@ -168,9 +168,9 @@
 				//set(c,'YTick',log(tick_vals)./log(logvalue));
 				for (var i = cdivisions; i >= 0; i--) {
-					labels[i] = (caxisdelta*i/cdivisions-caxis[0]).toFixed(2);
+					labels[i] = (caxisdelta*i/cdivisions-caxis[0]).toPrecision(3);
 				}
 			} else {
 				for (var i = cdivisions; i >= 0; i--) {
-					labels[i] = (caxisdelta*i/cdivisions-caxis[0]).toFixed(2);
+					labels[i] = (caxisdelta*i/cdivisions-caxis[0]).toPrecision(3);
 				}
 			}
Index: /issm/trunk-jpl/src/m/plot/webgl.js
===================================================================
--- /issm/trunk-jpl/src/m/plot/webgl.js	(revision 19797)
+++ /issm/trunk-jpl/src/m/plot/webgl.js	(revision 19798)
@@ -120,5 +120,5 @@
 	colorbar=colorbars["rainbow"];
 
-	value = clamp(value, min + 1.0, max);
+	value = clamp(value, min, max);
 	var normalizedValue = (value - min) / (max - min);
 	var index = clamp(Math.round(normalizedValue * colorbar.length), 0, colorbar.length - 1);